\(\large\frac{3}{4}\)

\(\large\frac{8}{2}\)

\(\large\frac{11}{3}\)

\(\large\frac{5}{2}\)

\(-5 + 9.5\)

\(\large\frac{1}{6} + (-\large\frac{5}{6})\)

\(-0.5 + (-8.5)\)

\(-3 - (-8)\)

\(5.6 - (-3.1)\)

\(3\large\frac{1}{2} - 2\large\frac{1}{4}\)

\(-9\times{(-5)}\)

\(0\times{(-7)}\)

\(-8\times{8}\)

\(\large\frac{-56}{8}\)

\(\large\frac{-130}{-5}\)

\(\large\frac{34.5}{1.5}\)

\(-\large\frac{2}{5}(-\large\frac{1}{2})(-\large\frac{5}{6})\)

\(\large\frac{1}{5}(-\large\frac{5}{7})(\large\frac{3}{4})\)

Lei withdrew $50 from her bank account every day for a week. What was the change in her account in that week?

Dan is cutting 4.75 foot lengths of twine from a 240 foot spool of twine. He needs to cut 42 lengths, and says that 40.5 feet of twine will remain. Show that this is reasonable.